According to the Washington Post, Purdue has acquired the for-profit Kaplan University to extend its reach into online and adult education, which some see as an unusual move for a public institution.

Questions:
1. What were the benefits to Purdue of acquiring Kaplan?
2. What are the potential downsides of this acquisition for Purdue?
3. What are the terms of the agreement?
4. What is the 90/10 rule mentioned in the article?
5. What are some of the past legal challenges against Kaplan?